{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "On the contrary , the TGase cross - linking of milk did not significantly modify the formation rate of the volatile compounds but shortened the duration of the lag phase of their formation ."}
{"Chemical": []}